#include<iostream>
using namespace std;
int main()
{
	/*int t;
	cin >> t;
	while (t--) {
		int n;
		cin >> n;
		long long ans = 1ll * n * (n + 2) + 2;
		cout << ans << endl;
	}*/
	for (int i = 0; i <= 9; i++) {
		cout << "i==" << i << "  i+1==" << (i ^ 1) << endl;
	}
	return 0;
}